# Atomify vs BioViewer

The clearest difference is rating: Atomify at 4.5 against BioViewer's 1.0. Atomify also leads on review sentiment (75% vs 33%) and ratings volume (8 vs 1). BioViewer's advantage is update cadence (every 9 days vs every 7 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Atomify holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Atomify has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Atomify's written reviews are positive against 33% of BioViewer's.

Atomify ships an update every 7 months, BioViewer every 9 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Atomify | BioViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/atomify/id934441274/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bioviewer/id1593006498/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **75.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 68 MB | 9 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Anders Hafreager](https://appshunter.io/developer/684173971) | [Raul Monton Pinillos](https://appshunter.io/developer/1576884003) |

## What reviewers say

### Atomify

[App page](https://appshunter.io/ios/app/atomify/id934441274)

Explore atomic physics and molecular behavior with a powerful simulation tool. Visualize atoms and molecules in liquids, solids, and gases, transforming your device into a personal physics laboratory for learning or research.

**Highlights:** Atomic and molecular simulations, Visual understanding of matter, Physics research tool, LAMMPS integration, Open-source code

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BioViewer

[App page](https://appshunter.io/ios/app/bioviewer/id1593006498)

Visualize 3D molecular structures from .pdb files on iOS, iPadOS, and macOS. Features smooth rendering, drag-and-drop support, and publication-quality photo exports for detailed analysis.

**Highlights:** 3D molecular structure visualization, Supports .pdb and .xyz files, Drag and drop functionality, Photo Mode with high-quality exports, Multi-model PDB support, Optimized for ProMotion displays

**In-app purchases:** none


## Frequently asked questions

### Is Atomify free?

Atomify is free to download, with no in-app purchases.

### Is BioViewer free?

BioViewer is free to download, with no in-app purchases.

### Which has better reviews, Atomify or BioViewer?

Atomify is rated higher. Atomify averages 4.5 out of 5 from 8 ratings, while BioViewer averages 1.0 from 1 ratings.

### Do Atomify or BioViewer have ads?

Neither Atomify nor BioViewer shows ads.

### Which is updated more often, Atomify or BioViewer?

Atomify ships an update every 7 months, and BioViewer every 9 days. Most recently, Atomify was updated on October 16, 2026 and BioViewer on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*